Uncategorized ~ conference icwsm tutorial
Sébastien Heymann and Julian Bilcke gave yesterday the official Gephi tutorial at the ICWSM conference, in Barcelona. The International Conference on Weblogs and Social Media is a unique forum that brings together researchers from the disciplines in computer science, linguistics, communication, and the social sciences. The broad goal of ICWSM is to increase understanding of social media in all its incarnations. This is also a special conference for us because we introduced Gephi for the first time 2 years ago, at the 3rd ICWSM conference.
Thought the tutorial was not recorded, you’ll find here the slides of the tutorial.
This month about 80 people were trained to Gephi thanks to the fundings we receive at our non-profit organization, the Gephi Consortium: 40 people at ICWSM, but also 20 people at UKSNA and 20 people at the French Complex System summer school. We will have our next talk at ECCS, the European Conference on Complex Systems. Looking forward to see you there!
Events ~ conference icwsm uksna


We are very excited to announce that the Gephi Team has a tutorial session at both UKSNA and ICWSM conferences this summer!
UKSNA will be located at the University of Greenwich, London. The Gephi Short Course is on Wednesday, 6 July (2:30 – 6:30PM).
The UK Social Networks Conference offers an interdisciplinary venue for social and behavioral scientists, sociologists, educationalists, political scientists, mathematicians, computer scientists, physicists, practitioners and others to present their work in the area of social networks. The primary objective of the conference is to facilitate interactions between the many different disciplines interested in network analysis.
website | registration | Facebook event
ICWSM Tutorial Day will be held July 17, 2011 (1:00 – 4:00 PM) in Barcelona, Spain.
The International Conference on Weblogs and Social Media is a unique forum that brings together researchers from the disciplines in computer science, linguistics, communication, and the social sciences. The broad goal of ICWSM is to increase understanding of social media in all its incarnations.
website | registration | Facebook event
Registration to these events is still open! The tutorial at ICWSM costs $150 ($100 for students). The tutorial at UKSNA costs £100 (£50 for students).

Program:
In these tutorials, Sébastien Heymann and Julian Bilcke will provide a hands-on demonstration of the essential functionalities of Gephi, based on a real case scenario. The participants will be guided step by step through the complete chain of representation, manipulation, layout, analysis and aesthetics refinements. Particular focus will be put on filters and metrics for the creation of their first visualizations. They will be incited to compare the hypotheses suggested by their own explorations. They finally will walk away with the practical knowledge enabling them to use Gephi for their own projects. The tutorial is intended for professionals, researchers and graduates who wish to learn how playing during a network exploration can speed up their studies.
Requirements:
Participants should come with their own laptop (and a mouse!) with Gephi installed. After the guided introduction, they will have time to work on a dataset of their own and receive help and direct feedback from the teaching team.
It is also a great opportunity to meet researchers and practitioners interested in network visualization, looking forward speaking with you all there!

Community Demo ~ conference dynamic longitudinal poster specification sunbelt
The Sunbelt Conference went extremely well, with great audience for Gephi and many positive feedbacks and comments. This event confirmed Gephi is fulfilling some of the essential needs and is going toward the good direction. Two of our plans are to improve features for longitudinal networks and develop the gephi-toolkit. Let’s see what we learnt from Sunbelt.
Download Gephi Poster
The Sunbelt Conference is a huge event, and this edition breaks all records with more than 700 participants and a very intensive program. Needless to say outstanding researches are presented there and it’s a pleasure to meet everyone, though we didn’t have enough time there in Riva Del Garda (Italy).
Longitudinal Networks
A great majority of people we provided a Gephi demo asked about dynamic network support. That is not really surprising but it shows the great demand about these features and the interest the timeline in Gephi and how to use it.
I was however frustrated we didn’t have the time to go deeper in the discussion. People are looking for specific layout, evolution and diffusion features. It is a vast topic and that’s why we are starting a draft specification about longitudinal networks. Our aim is to collect knowledge, references and feature requests from Sunbelt researchers interested in seeing progress in this direction. That will help for Gephi future versions 0.8 and 0.9.
And it is clear we need a tutorial how to format data to use dynamic features in current version.
Plug-ins, Toolkit, reuse and mashup
Gephi is a modular application extensible with plug-ins. We hope that the existing documentation is enough to already start to code cool stuff and are really eager to help anyone who has a plugin project. Meet us on the forum.
Gephi also relies on a dozen core modules that can be packaged independently. That is what we call the gephi-toolkit, which official announcement and tutorial are due soon. Many researchers are seduced by this idea, allowing custom scripting and command-line applications using Gephi features. Stay tuned.
Future
Gephi is an international project, open to any institution or company anxious to see quick progress. We are looking for contributors and funding. Please contact us. Thanks to Google Summer of Code program, see what we can do in four months with great students.
Stay tuned on twitter
Community Events ~ conference sunbelt
We are very excited to annouce the Gephi Team is attending the International Sunbelt Social Network Conference, located in Riva del Garda, Italy from June 29 to July 04. We present a poster and will provide software demonstration on Friday, 2 during Poster Session (12:30-13:30)
The Sunbelt conference is the hugest event in the area of Social Network and we are honored to present our project there. More than 700 abstracts are to be presented there, by social scientists, mathematicians, computer scientists, ethnologists, and more… The program is very rich and interdisciplinary and will for sure fulfill our curiosity.
It’s also the best opportunity to meet researchers and practitioners interested in network visualization, looking forward speaking with you all there!
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Events ~ conference eurovis opengl preview
The Gephi Team presents a poster for the Eurovis 2010 conference, June 9-11, located in Bordeaux, France.
EuroVis 2010 is the 12th annual Visualization Symposium jointly organized by the Eurographics Working Group on Data Visualization and the IEEE Visualization and Graphics Technical Committee.

The poster will be presented by Sebastien Heymann and Mathieu Jacomy on site during the poster session. They will also provide live demo.
| It is a great opportunity to present some of the visualization features available in Gephi and discuss with the research community about the project and network visualization in general.
The poster concentrates on the visualization topic and a general project presentation. It describes the visualization architecture built for the OpenGL and Preview engine.
Abstract
Using Computer Games Techniques for Improving Graph Viz Efficiency
Gephi is a modular and extensible open-source network visualization platform. It follows a pragmatic approach for visualization by using two different engines for two different purposes. Large scale graph drawing requires performance and interactivity, but also customization and implementation flexibility. We observed that fulfilling all aspects in a single rendering engine is technically not viable on a long-term view and propose to use different technologies. Gephi project aims to create a sustainable software and technical ecosystem, driven by a large international open-source community, who shares common interests in networks and complex systems. It focuses on visualization and manipulation, simplicity and extensibility.
Full Abstract (2 pages)
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